3,4-Dichlorofuran-2,5-dicarbaldehyde CAS 157948-52-2
| CAS No. | 157948-52-2 |
| Molecular Formula | C6H2Cl2O3 |
| Molecular Weight | 192.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,4-Dichlorofuran-2,5-dicarbaldehyde.
3,4-Dichlorofuran-2,5-dicarbaldehyde (CAS 157948-52-2), molecular formula C6H2Cl2O3 and molecular weight 192.98 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H2Cl2O3, 3,4-Dichlorofuran-2,5-dicarbaldehyde contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 192.98 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3,4-Dichlorofuran-2,5-dicarbaldehyde meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H2Cl2O3 |
| Molecular Weight | 192.98 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | Cl-containing |
Related Dichlorofuran Standards
- 3,4-Dichlorofuran-2-carbohydrazide (CAS 1403566-20-0)
- Methyl 4,5-dichlorofuran-2-carboxylate (CAS 1403567-85-0)
- 3,4-dichlorofuran-2-carboxylic acid (CAS 69727-40-8)
- 3,5-dichlorofuran-2-carboxylic acid (CAS 6504-31-0)
- 4,5-dichlorofuran-2-carboxylic acid (CAS 6504-32-1)
- 4,5-Dichlorofuran-2-carbonitrile (CAS 1403566-73-3)
- 3,4-Dichlorofuran-2-carbonitrile (CAS 1403567-60-1)
- 2,4-Dichlorofuran (CAS 396100-60-0)
Recommended Standards
- 2,5-Furandicarbonyl Dichloride (CAS 10375-34-5)
- (5-Fluoro-1-methyl-1H-indol-2-yl)boronic acid (CAS 912331-38-5)
- 4-iso-Propylbenzylmagnesium chloride (CAS 405506-94-7)
- (6-Fluoro-1-methyl-1H-indol-2-yl)boronic acid (CAS 912331-40-9)
- 7-Chloro-3-(3-fluorophenyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidine (CAS 1204297-75-5)
- 1-(4-Amino-3-methylphenyl)-2-pyrrolidinone (CAS 13691-27-5)
- 3-Methyloctadecane (CAS 6561-44-0)
- 2-(2-Bromo-5-hydroxypyridin-3-yl)acetonitrile (CAS 1806984-14-4)
- 6923-52-0 Acetic acid, antimony salt Acetic acid, trianhydride with antimonic acid (H3-Sb-O3) (8CI,9CI) Antimony triacetate Acetic acid, antimony(3+) salt (3:1) Acetic acid, antimony(3+) salt Antimony(III) acetate EINECS 230-043-2 Octan antimonity [Czech] Octan antimonity Acetic acid, trianhydride with antimonic acid (H3SbO3) (CAS 6923-52-0)
- 3-(2-Fluorophenyl)-4-(((5-methylfuran-2-yl)methylene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 578734-03-9)
- N-(3-(dimethylamino)propyl)-4-(4-methoxybenzoyl)-1H-pyrrole-2-carboxamide (CAS 478259-68-6)
- 1-(2-Chlorobenzyl)-1H-benzo[d][1,2,3]triazole (CAS 30516-22-4)
- Cetirizine Amide Dihydrochloride (CAS 200707-85-3)
- Semaglutide impurity 206 (CAS CATO-C4X-2226206)
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